JH21 Open Back Fixed Table Power Press
Product Description
1. Steel plate welded c frame body, heat treatment, produced by cnc boring and milling center, high rigidity and precission
2. Wet type pneumatic clutch or dry type pneumatic friction clutch and brake with safety solenoid valve, lower noise and longer service life.
3. Best quality gears, bushes, cylinders, connecting rods and ball screw ensure the high performance, high reliability and longer service life.
4. Hydraulic overload protected system is standard equipped. The press will stop with oil pressure release if overload to protect the press and the die. It is easy to reset to normal status.
5. PLC control, Omron or Panasonic brand, high quality with global warranty, and safety module is optional.
6. Double hands control buttons, touch screen control panel, cam controller with encoder.
7. Slide adjust motor is equipped on the back of the slide. This position is better to protect the motor and the press is more compact in this way. The slide is motorized adjusted with digital displayer.
8. Central auto grease lubrication system is standard equipped and the lubrication frequency can be setted with the touchscreen. In the meanwhile, manual thin oil lubrication system is equipped too.
Options:
- light curtain for safety
- inverter for adjustable stroke speed
- variable speed motor for adjustable stroke speed
- cushion
- hydraulic quick die change device
Quality certificate:
- ISO 9001
- CE
- SGS inspection if needed
Product Features
JH21 Series C Frame Fixed Bolster Power Press Machine With High Performance
1. Steel welded body, tempering treatment, high rigidity, accuracy and stability;
2. Vertical located crankshaft, compact structure;
3. The crankshaft undergoes grinding treatment after high frequency quenching;
4. Lengthened rectangular guideway with a surface of bronze plate;
5. Pneumatic dual balance cylinder, which balances the slide block and punch weight to reduce noise and impact;
6. PLC control and imported safety dual valve;
7. Wet clutch or dry clutch and hydraulic overload protector.
8. CE certificate
Technical Specifications
| Specification | Unit | JH21-25 | JH21-80 | JH21-100 | JH21-160 | JH21-160 | JH21-200 | |
| Nominal | KN | 250 | 800 | 1000 | 1600 | 1600 | 2000 | |
| Nominal Stroke | Mm | 3 | 5 | 5 | 6 | 6 | 6 | |
| Slide Stroke | Mm | 80 | 240 | 160 | 250 | 200 | 250 | |
| Slide Strokes Per Minute | Fixed | Min-1 | 100 | 60 | 55 | 45 | 45 | 45 |
| Variable | Min-1 | 60-120 | 40-75 | 35-65 | 30-55 | 30-55 | 30-55 | |
| Max Die Set Height | Mm | 265 | 380 | 335 | 450 | 450 | 450 | |
| Die Height Adjustment | Mm | 50 | 80 | 90 | 100 | 100 | 110 | |
| Throat Depth | Mm | 210 | 310 | 330 | 400 | 400 | 430 | |
| Distance Between Uprights | Mm | 450 | 610 | 670 | 736 | 736 | 910 | |
| Slide Botton Size | L×R | Mm | 360 | 540 | 620 | 700 | 700 | 880 |
| F×B | Mm | 250 | 460 | 520 | 580 | 580 | 650 | |
| Shank Bottom Size | Dia | Mm | 40 | 70 | 70 | 70 | 70 | 70 |
| Depth | Mm | 50 | 80 | 80 | 100 | 100 | 100 | |
| Bolster Size | L×R | Mm | 720 | 950 | 1060 | 1175 | 1175 | 1390 |
| F×B | Mm | 400 | 600 | 640 | 760 | 760 | 840 | |
| Blanking Hole Diameter | Mm | 150 | 180 | 180 | 220 | 220 | 240 | |
| Bolster Tickness | Mm | 80 | 140 | 145 | 165 | 165 | 180 | |
| Bolster Surface Height (Contain Shockproof Cushion) | Mm | 812 | 960 | 970 | 1005 | 1005 | 1125 | |
| Motor Power | Kw | 3 | 7.5 | 7.5 | 15 | 15 | 18.5 | |
| Press Pressure | Mpa | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
| Cushion | Knockout Power | KN | / | 50 | / | / | / | / |
| Stroke | Mm | / | 70 | / | / | / | / | |
Picture Display
Main Equipments
| Item | Name Of Goods | Original Manufacturers | Note |
| 1 | Overload Protection Device | SHOWA/ SITELONG / KOSMEK | |
| 2 | Double Solenoid Valve | TOYOOKI / TACO / ROSS | |
| 3 | Rolling Bearing | HA / TILE / LOS | |
| 4 | PLC | Schneider (25T80T)/ Omron (100T160T)/ Panasonic (200T) | |
| 5 | CAM Controller | Domestic Brands | |
| 6 | Touch Screen | Buke (25T80T100T160T)/ Panasonic (200T) | |
| 7 | Transducer | Shenzhen Sine / Weichuang | Optional |
| 8 | Rotary Encoder | Iltron | |
| 9 | Pressure Switch | ARK/SHANJIANG | |
| 10 | Main Circuit Breaker | SPX/CHINT | |
| 11 | AC Contactors | Schneider | |
| 12 | Three-Pole Circuit Breaker | Schneider | |
| 13 | Unipolar Circuit Breakers | CHINT | |
| 14 | Relay | Izumi | |
| 15 | Light Curtain Protection | Ryan, Force | |
| 16 | Main Motor | Siemens Series Of Bader ,Huali | |
| 17 | Switch Button | Domestic Brands | |
| 18 | DC Power Supply | Omron | |
| 19 | Transformer | SHENYONG | |
| 20 | Proximity Switch | Omron |
Warranty And Service
- one year warranty for whole press.
- all spare parts are available as we produce most of the parts in our factory.
- it is easy to get the electric parts as all are international famous brands.
- we can provide technical support via email, phone or video.
- we can send out engineers for service, installation or training with reasonable additional cost.
- English operation and maintenance manual is provided with the press.
- All safety warning tags and control panels are in English.
Our Products Range
- J23 and JH23 inclinable eccentric press, capacity from 6.3ton to 125ton.
- JH21 c frame single crank press, capacity from 25ton to 400ton.
- JH31 semi-straight side single crank press, capacity from 110ton to 400ton.
- JW31 H frame single crank press, capacity from 110ton to 400ton.
- JH25 c frame double crank press, capacity from 110ton to 315ton.
- JW36 H frame double crank press, capacity from 110ton to 500ton.
- JX36 close type big table press with double crank, capacity from 400ton to 1000ton.
- JS36 close type gear press, capacity from 300ton to 1250ton.
- JS31 close type gear press, capacity from 160ton to 1000ton.
- hydraulic shearing machine
- hydraulic press brake and cnc press brake
